300.000-(137.846+924.757-853.009) = 5.008*204-3.623*163-45.570:98 = solve in a column

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1) 137.846+ 924.757 = 1062.603 2)1062.603-853.009 = 209.594 3)300.000-209.594 = 90.406 solve the second itself) long in a column to paint)
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Answer add